Elk

The elk or wapiti is one of the largest species of the ... deer family in the world, and one of the largest land mammals in North America and eastern Asia. ... Elk range in forest and forest-edge habitat, feeding on grasses, plants, leaves, and bark. Although native to North America and eastern Asia, they have adapted well to countries where they have been introduced, including Argentina, Australia, and New Zealand. ... Male elk have large antlers which are shed each year. Males also engage in ritualized mating behaviors during the rut, including posturing, antler wrestling (sparring), and bugling, a loud series of vocalizations which establishes dominance over other males and attracts females. [Elk. Wikipedia]